Breakpoint Commands - GE 68K System User Manual

68K System Monitor
User's Guide

Breakpoint Commands

Use these commands with the 68K Monitor for control and display of process
Description
breakpoints in the system.
The three restrictions with the definition of breakpoints are:
•
You must define breakpoints in code that is in RAM.
−
•
You must define all program breakpoints at the beginning of an instruction.
•
Only define breakpoints in a process.
−
Note:
This list shows the Breakpoint commands, in alphabetical order:
List of
Commands
General
Full Release
The program instruction changes to a 68000 family TRAP instruction.
If the interrupt mask is non-zero when you enter the breakpoint handler, the
assumption is that the calling routine is an interrupt service procedure (ISP)
and breakpoints are not valid.
Diagnostic Commands are suspended in order to use breakpoints.
Command
CB Clear Breakpoint
DB Define Breakpoint
PB Print Breakpoint
RB Resume Breakpoint
SB Step Breakpoint
SWM0023-1.00 -2
Description
GE Energy Services
See Page
3-9
3-21
3-46
3-54
3-68
2-7